If there where a true epidemic,those face,and dust masks wouldn't work,because the contagion would enter through the eyes,and where the masks aren't covering the skin. It would stop peoples coughs,and sneezes from going out into the air.

Military grade respirators with thick filters,and having the mask covering the eye's would be a much better protection. There would need to be that seal around the skin,around the face,where the edges of the respirator touches.

I did research into this around 2001. You remember everyone was scared of white powder,and Anthrax coming in a few letters. This caused a panic,on top of the twin tower disaster. We where all scared.

I still have a respirator,but not the eye protection. I could cut a glad bag,and tape it to my face,over my eyes I suppose. That might work in a sudden disaster,if I where MacGyver. BF